Reportable Segments (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||||||||||||||||||||
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Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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Segment Reporting Information [Line Items] | ||||||||||||||||||||||||
Net interest income from external sources | $ 328,166 | $ 296,021 | $ 644,417 | $ 589,593 | ||||||||||||||||||||
Net interest income (expense) from internal sources | 0 | 0 | 0 | 0 | ||||||||||||||||||||
Net interest income | 328,166 | 296,021 | 644,417 | 589,593 | ||||||||||||||||||||
Provision for credit losses | 0 | 8,000 | 0 | 16,000 | ||||||||||||||||||||
Net interest income after provision for credit losses | 328,166 | 288,021 | 644,417 | 573,593 | ||||||||||||||||||||
Noninterest Income | 207,098 | 259,704 | 393,139 | 421,405 | ||||||||||||||||||||
Personnel | 214,711 | 191,090 | 428,896 | 393,743 | ||||||||||||||||||||
Other Cost and Expense, Operating | 139,792 | [1] | 145,600 | [2] | 273,136 | [3] | 283,331 | [4] | ||||||||||||||||
Noninterest Expense | 354,503 | 336,690 | 702,032 | 677,074 | ||||||||||||||||||||
Corporate Expense Allocations | 0 | [5] | 0 | [6] | 0 | [7] | 0 | [8] | ||||||||||||||||
Net income before taxes | 180,761 | 211,035 | 335,524 | 317,924 | ||||||||||||||||||||
Assets, Average Outstanding | 52,286,952 | 51,195,199 | 51,640,519 | 50,611,385 | ||||||||||||||||||||
Operating Segments [Member] | ||||||||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||||||||
Net interest income from external sources | 274,882 | 282,319 | 528,987 | 572,556 | ||||||||||||||||||||
Net interest income (expense) from internal sources | 3,902 | 16,102 | 29,809 | 22,393 | ||||||||||||||||||||
Net interest income | 278,784 | 298,421 | 558,796 | 594,949 | ||||||||||||||||||||
Provision for credit losses | 1,040 | 7,381 | 2,697 | 13,334 | ||||||||||||||||||||
Net interest income after provision for credit losses | 277,744 | 291,040 | 556,099 | 581,615 | ||||||||||||||||||||
Noninterest Income | 206,247 | 204,049 | 397,162 | 410,554 | ||||||||||||||||||||
Personnel | 141,342 | 133,649 | 282,475 | 267,753 | ||||||||||||||||||||
Other Cost and Expense, Operating | 86,534 | [1] | 87,807 | [2] | 173,137 | [3] | 176,533 | [4] | ||||||||||||||||
Noninterest Expense | 227,876 | 221,456 | 455,612 | 444,286 | ||||||||||||||||||||
Corporate Expense Allocations | 49,045 | [5] | 47,257 | [6] | 95,748 | [7] | 94,605 | [8] | ||||||||||||||||
Net income before taxes | 207,070 | 226,376 | 401,901 | 453,278 | ||||||||||||||||||||
Assets, Average Outstanding | 41,200,298 | 41,307,894 | 41,085,785 | 40,699,084 | ||||||||||||||||||||
Operating Segments [Member] | Commercial [Member] | ||||||||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||||||||
Net interest income from external sources | 235,765 | 280,091 | 467,188 | 560,342 | ||||||||||||||||||||
Net interest income (expense) from internal sources | (59,939) | (76,335) | (113,104) | (152,591) | ||||||||||||||||||||
Net interest income | 175,826 | 203,756 | 354,084 | 407,751 | ||||||||||||||||||||
Provision for credit losses | 29 | 6,134 | 177 | 10,294 | ||||||||||||||||||||
Net interest income after provision for credit losses | 175,797 | 197,622 | 353,907 | 397,457 | ||||||||||||||||||||
Noninterest Income | 64,432 | 54,704 | 119,953 | 104,877 | ||||||||||||||||||||
Personnel | 49,506 | 45,964 | 97,557 | 91,283 | ||||||||||||||||||||
Other Cost and Expense, Operating | 29,613 | [1] | 30,150 | [2] | 57,796 | [3] | 54,926 | [4] | ||||||||||||||||
Noninterest Expense | 79,119 | 76,114 | 155,353 | 146,209 | ||||||||||||||||||||
Corporate Expense Allocations | 19,535 | [5] | 17,381 | [6] | 36,949 | [7] | 35,778 | [8] | ||||||||||||||||
Net income before taxes | 141,575 | 158,831 | 281,558 | 320,347 | ||||||||||||||||||||
Assets, Average Outstanding | 21,318,236 | 21,960,479 | 21,359,263 | 21,806,587 | ||||||||||||||||||||
Operating Segments [Member] | Consumer [Member] | ||||||||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||||||||
Net interest income from external sources | 13,463 | 5,986 | 22,203 | 13,336 | ||||||||||||||||||||
Net interest income (expense) from internal sources | 44,651 | 59,178 | 93,163 | 115,963 | ||||||||||||||||||||
Net interest income | 58,114 | 65,164 | 115,366 | 129,299 | ||||||||||||||||||||
Provision for credit losses | 1,018 | 1,247 | 2,535 | 3,055 | ||||||||||||||||||||
Net interest income after provision for credit losses | 57,096 | 63,917 | 112,831 | 126,244 | ||||||||||||||||||||
Noninterest Income | 38,165 | 36,137 | 77,223 | 73,765 | ||||||||||||||||||||
Personnel | 25,527 | 24,016 | 51,364 | 49,252 | ||||||||||||||||||||
Other Cost and Expense, Operating | 29,949 | [1] | 31,112 | [2] | 61,348 | [3] | 59,323 | [4] | ||||||||||||||||
Noninterest Expense | 55,476 | 55,128 | 112,712 | 108,575 | ||||||||||||||||||||
Corporate Expense Allocations | 15,039 | [5] | 13,392 | [6] | 30,474 | [7] | 27,564 | [8] | ||||||||||||||||
Net income before taxes | 24,746 | 31,534 | 46,868 | 63,870 | ||||||||||||||||||||
Assets, Average Outstanding | 8,310,875 | 8,107,505 | 8,256,649 | 8,018,132 | ||||||||||||||||||||
Operating Segments [Member] | Wealth Management [Member] | ||||||||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||||||||
Net interest income from external sources | 25,654 | (3,758) | 39,596 | (1,122) | ||||||||||||||||||||
Net interest income (expense) from internal sources | 19,190 | 33,259 | 49,750 | 59,021 | ||||||||||||||||||||
Net interest income | 44,844 | 29,501 | 89,346 | 57,899 | ||||||||||||||||||||
Provision for credit losses | (7) | 0 | (15) | (15) | ||||||||||||||||||||
Net interest income after provision for credit losses | 44,851 | 29,501 | 89,361 | 57,914 | ||||||||||||||||||||
Noninterest Income | 103,650 | 113,208 | 199,986 | 231,912 | ||||||||||||||||||||
Personnel | 66,309 | 63,669 | 133,554 | 127,218 | ||||||||||||||||||||
Other Cost and Expense, Operating | 26,972 | [1] | 26,545 | [2] | 53,993 | [3] | 62,284 | [4] | ||||||||||||||||
Noninterest Expense | 93,281 | 90,214 | 187,547 | 189,502 | ||||||||||||||||||||
Corporate Expense Allocations | 14,471 | [5] | 16,484 | [6] | 28,325 | [7] | 31,263 | [8] | ||||||||||||||||
Net income before taxes | 40,749 | 36,011 | 73,475 | 69,061 | ||||||||||||||||||||
Assets, Average Outstanding | 11,571,187 | 11,239,910 | 11,469,873 | 10,874,365 | ||||||||||||||||||||
Funds Management and Other [Member] | ||||||||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||||||||
Net interest income from external sources | 53,284 | 13,702 | 115,430 | 17,037 | ||||||||||||||||||||
Net interest income (expense) from internal sources | (3,902) | (16,102) | (29,809) | (22,393) | ||||||||||||||||||||
Net interest income | 49,382 | (2,400) | 85,621 | (5,356) | ||||||||||||||||||||
Provision for credit losses | (1,040) | 619 | (2,697) | 2,666 | ||||||||||||||||||||
Net interest income after provision for credit losses | 50,422 | (3,019) | 88,318 | (8,022) | ||||||||||||||||||||
Noninterest Income | 851 | 55,655 | (4,023) | 10,851 | ||||||||||||||||||||
Personnel | 73,369 | 57,441 | 146,421 | 125,990 | ||||||||||||||||||||
Other Cost and Expense, Operating | 53,258 | [1] | 57,793 | [2] | 99,999 | [3] | 106,798 | [4] | ||||||||||||||||
Noninterest Expense | 126,627 | 115,234 | 246,420 | 232,788 | ||||||||||||||||||||
Corporate Expense Allocations | (49,045) | [5] | (47,257) | [6] | (95,748) | [7] | (94,605) | [8] | ||||||||||||||||
Net income before taxes | (26,309) | (15,341) | (66,377) | (135,354) | ||||||||||||||||||||
Assets, Average Outstanding | $ 11,086,654 | $ 9,887,305 | $ 10,554,734 | $ 9,912,301 | ||||||||||||||||||||
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